Stepan Mairapetyan, Vardan Mamikonyan, Juletta Alexanyan, Anahit Tovmasyan, Mahsa Daryadar, Bella Stepanian
Dry raw material of both peppermint and sweet basil grown with the application of different hydroponic methods (cylindrical, gully, continuous, classical) exceeds soil culture 1.2-2.7 and 1.8-2.7 times. At the same time a high output (1.6-3.1 times) of secondary origin bioactive substances was observed in cylindrical and classical hydroponics systems due to the high productivity of peppermint and in the case of basil in cylindrical hydroponics system (1.2-2.9 times). For determining antioxidant activity from different quantity of alcoholic extracts obtained from the mentioned plants the more effective is chosen in peppermint 5.0 mg/ml in which case free radical oxidation process of lipids is repressed from 68% to 84%, and in case of basil 1.0 mg/ml from 23% to 31%.